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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 415959091433001
Minimum number of levels = 1
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USGS 415959091433001 083N08W13DBBB 37815 1971Cedar Rapids Seminole 7

Linn County, Iowa
Latitude  41°59'59", Longitude  91°43'31" NAD27
Land-surface elevation 724.72 feet above NGVD29
The depth of the well is 63.5 feet below land surface.
The depth of the hole is 63.5 feet below land surface.
This well is completed in the Sand and gravel aquifers (glaciated regions) (N100GLCIAL) national aquifer.
This well is completed in the Holocene Alluvium (111ALVM) local aquifer.
Output formats
Table of data
Tab-separated data
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Reselect period
Date Time
?
 
Water-level
date-time
accuracy
?
 
Parameter
code 		Water
level,
feet
below
land
surface		 Water
level,
feet
above
specific
vertical
datum		 Referenced
vertical
datum
?
 
Status
?
 
Method of
measurement
?
 
Measuring
agency
?
 
Source of
measurement
?
 
Water-level
approval
status
1993-11-01 D62610 717.52NGVD291S  A
1993-11-01 D62611 717.44NAVD881S  A
1993-11-01 D720197.20  1S  A
2020-05-2714:50 UTCm62610 720.35NGVD291TUSGSSA
2020-05-2714:50 UTCm62611 720.27NAVD881TUSGSSA
2020-05-2714:50 UTCm720194.37  1TUSGSSA
2020-07-1415:05 UTCm62610 721.35NGVD291TUSGSSA
2020-07-1415:05 UTCm62611 721.27NAVD881TUSGSSA
2020-07-1415:05 UTCm720193.37  1TUSGSSA
2020-09-2514:53 UTCm62610 717.75NGVD291TUSGSSA
2020-09-2514:53 UTCm62611 717.67NAVD881TUSGSSA
2020-09-2514:53 UTCm720196.97  1TUSGSSA
2021-01-2116:56 UTCm720199.67   TUSGSSA
2021-01-2116:57 UTCm720199.67   TUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
Water-level date-time accuracymDate is accurate to the Minute
Parameter code62610Groundwater level above NGVD 1929, feet
Parameter code62611Groundwater level above NAVD 1988, feet
Parameter code72019Depth to water level, feet below land surface
Referenced vertical datumNAVD88North American Vertical Datum of 1988
Referenced vertical datumNGVD29National Geodetic Vertical Datum of 1929
StatusThe reported water-level measurement represents a static level
Status1Static
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-tape measurement.
Measuring agencyNot determined
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.